Judge Bruce Young dismissed the sexual assault charges after prosecutor Thomas Dunlevy told the court that the District Attorney's Office would not prosecute Case.

Dunlevy said in an interview that the decision was based on recent information obtained through discovery, which is the exchange of information between lawyers. He said the District Attorney's Office believed it couldn't prove the case beyond a reasonable doubt.

Court records show that Case was charged with several felonies, including forcible rape, sodomy by use of force, unlawful sexual intercourse and misdemeanor sexual battery. Case pleaded not guilty.

Case's lawyer, Susan Yu of Los Angeles, said she was happy the district attorney dismissed the charges. "We are very pleased with the result," she said. She declined further comment.

Case was accused of sexually assaulting a 17-year-old teen at his home in 2006 when she was there with a friend and the friend's boyfriend, according to prosecutors. Case had parties at the house, inviting people, some underage, who followed him around during various racing events, according to the District Attorney's Office.